So can they make a custom map for the slip-on that I buy if they don't have it mapped??* *

Yup, definitely. If you're going to make any other performance-altering mods like a new air filter, you should wait until you're all done before mapping, since they'll probably make a slight difference.

Yup, definitely.* If you're going to make any other performance-altering mods like a new air filter, you should wait until you're all done before mapping, since they'll probably make a slight difference.

Slip-ons are different in their own way. You can get a custom map for any combination of any mods you have if it changes something with how much air goes into and out of the engine and how much fuel is being dumped into the engine. Definitely worth it to wait if you have say a slip on now, and later you plan on getting an aftermarket air filter. The air filter will change everything and your custom map will be screwed. A downloaded map is kind of like a "don't want to pay for custom map" map. With a custom, an actual tuner guy will dyno your bike, see where it needs changes, and change specific areas accordingly. I did it on mine and it was worth it.

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